21 Church St
Parking in Montgomery County, MD · 20850
At a glance
21 Church St is a 96,790-square-foot parking building in Montgomery County, Maryland, built in 2006. In its 2024 Montgomery County benchmarking disclosure it reported a site energy-use intensity of 27.0 kBtu/ft² and 229 tCO₂e of greenhouse-gas emissions.
Benchmarking Law (Bill 2-14) / BEPS (Bill 16-21) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 27.0 kBtu/ft² |
| Source EUI | 75.6 kBtu/ft² |
| GHG emissions | 229 tCO₂e |
| GHG intensity | — |
| Electricity | 765,638 kWh |
| Natural gas | 0 therms |
| Gross floor area | 96,790 sq ft |
| Source record | montgomery_county:5883040:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 27.0 kBtu/ft² | 229 tCO₂e | |
| 2023 | — | — | — |
Compliance context
Benchmarking Law (Bill 2-14) / BEPS (Bill 16-21)
Montgomery County's BEPS (Bill 16-21; regulations approved in 2025) sets declining site-EUI standards for buildings of 25,000+ sq ft, with interim and then final standards later this decade and into the 2030s depending on building type.
Ownership
No owning organisation shown. Names of private individuals in the disclosure are not published here.
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Location
- Address
- 21 Church St
- State
- Maryland
- ZIP
- 20850
Within ~1 km
Nearby benchmarked buildings
This source publishes no coordinates, so nearby buildings can't be resolved yet.
See also: most efficient in Montgomery County · biggest emitters
How does 21 Church St compare with other parking buildings in Montgomery County?
The latest disclosures cover 6 parking buildings in Montgomery County, out of 1,766 buildings citywide. Its site EUI of 27.0 kBtu/ft² is about 71% below the average of 93.2 kBtu/ft² — it uses less energy per square foot than the typical building in that group.
At 96,790 sq ft, it is roughly in line with the average floor area of 104,800 sq ft for those buildings. It was built in 2006, 4 years later than the group's average year built (2002). Across all 24 jurisdictions BuildingCensus covers, the 1,071 parking buildings average an ENERGY STAR score of 67 and a site EUI of 40.3 kBtu/ft².
How has 21 Church St's energy performance changed over time?
BuildingCensus holds 2 Montgomery County disclosures for 21 Church St, covering report years 2023–2024. Only one of those years carries energy figures.
What does a site EUI of 27.0 kBtu/ft² mean?
Site energy-use intensity (EUI) is the energy a building uses on site in a year divided by its floor area, in thousand Btu per square foot — lower is more efficient. 21 Church St's 27.0 kBtu/ft² across 96,790 sq ft works out to about 2.6 billion Btu (766 MWh-equivalent) in 2024. Its source EUI of 75.6 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 765,638 kWh of electricity and 0 therms of natural gas for the year.
Which law requires 21 Church St to report its energy use?
21 Church St reports under the Benchmarking Law (Bill 2-14) / BEPS (Bill 16-21), the legal basis of Montgomery County's Commercial Building Energy Benchmarking program, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2024 disclosure (source record montgomery_county:5883040:2024). Montgomery County's BEPS (Bill 16-21; regulations approved in 2025) sets declining site-EUI standards for buildings of 25,000+ sq ft, with interim and then final standards later this decade and into the 2030s depending on building type.
More parking buildings in Montgomery County
- X2774-Bmw Of Rockville· 86,625 sq ft · EUI 117.4 kBtu/ft²
- Ourisman Honda· 36,269 sq ft · EUI 153.6 kBtu/ft²
- All Montgomery County benchmarked buildings· Benchmarking Law (Bill 2-14) / BEPS (Bill 16-21)
- Most efficient large buildings in Montgomery County
- Least efficient large buildings in Montgomery County
- Biggest emitters in Montgomery County
Frequently asked questions
What is 21 Church St's energy grade?
21 Church St did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 27.0 kBtu/ft².
How much energy does 21 Church St use?
Its 2024 site energy-use intensity was 27.0 kBtu/ft² (75.6 kBtu/ft² source) across 96,790 sq ft, including 765,638 kWh of electricity and 0 therms of natural gas.
What are 21 Church St's carbon emissions?
21 Church St reported 229 tCO₂e of greenhouse-gas emissions for 2024.
Where is 21 Church St?
21 Church St is in Montgomery County, Maryland 20850.
How big is 21 Church St and when was it built?
21 Church St has 96,790 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2006 as its year built. It is classed as parking.
Is 21 Church St covered by the Benchmarking Law (Bill 2-14) / BEPS (Bill 16-21)?
Yes — it appears in the 2024 Commercial Building Energy Benchmarking disclosure, which lists the buildings reporting under the Benchmarking Law (Bill 2-14) / BEPS (Bill 16-21).
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About this data
Source: Commercial Building Energy Benchmarking (Benchmarking Law (Bill 2-14) / BEPS (Bill 16-21)), as published October 2, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “21 Church St, Montgomery County, Maryland — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/montgomery-county/21-church-st-cc048463 (data as of October 2, 2026).